#include <stdio.h>
#include <unistd.h>
int main(){
    pid_t id = fork();
    if(id==0){
         printf("我是子进程,pid为:%d,我的父进程是:%d\n",getpid(),getppid());
    }else{
        printf("我是父进程,pid为:%d,我的父进程是:%d\n",getpid(),getppid());
    }
    return 0;
}